US2544812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jeweler's lathe
Assignee: Individual
•
Filing: 1947-11-13
•
Granted: 1951-03-13
•
Expires: 1967-11-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:19
CPC Classifications
B; B28; B28D; B28D5/00; Y; Y10; Y10T; Y10T82/00; Y10T82/24; Y10T82/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1322543A
Cited
US1105529A
Cited
US1417521A
Cited
US2090818A
Cited
US2043947A
Cited
US2249146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |